[PATCH, c++ testsuite] Fix a few failures in gdb.cp/virtfunc.exp

[Tom Tromey]

>>>>> "Luis" == Luis Machado <lgustavo@codesourcery.com> writes:

Luis> Here's the updated patch. I escaped dot once (\.) instead of twice. So
Luis> hopefully this is the correct way. I often get confused with escaping
Luis> in dejagnu.

This is ok.  Thanks.

Tom